ᐅ Experience with Modular Home Wall Thickness and Sound Insulation

Null815 schrieb:

Good morning,

we are currently building with a prefab house manufacturer (timber frame construction).

We signed the contract in March 2019, earthworks and basement construction started in November 2019, the house was erected in December 2019, and moving in is planned for April 2020. Without the work we contributed ourselves, moving in would probably have been possible as early as March 2020.

Solid construction would have had longer lead times for us because here in Bavaria the "good" solid builders are much more booked up. However, we did not choose a large prefab manufacturer either but selected one that only builds in southern Germany. Just because of the lead times, a company like Fingerhaus would not have suited us (current waiting time about 21 months according to the seller). With them, a solid build could actually also be realized.

I’m also from Bavaria. Which provider did you build with?
Which providers have long waiting times?

We are building with Fischerhaus from Bodenwöhr.

Unfortunately, I don’t know how their soundproofing performs in relation to a multi-family house. It might be possible for a consultant to arrange a viewing appointment in already occupied homes. That way, you could get a more detailed impression.

We are only building a single-family house with a basement, so I can’t provide any information on that.

Sonnenblume341 schrieb:

We are advised against using prefabricated houses because they are supposedly too loud inside

You cannot simply take a single-family house design and scale its construction method up to multi-story residential buildings. Doing so will lead to major problems. Typical prefabricated house manufacturers (timber frame construction) are not suitable for your project because they do not offer multi-story residential buildings in their portfolio and are well aware of the limitations of their systems. These limitations concern party walls and ceilings in multi-story buildings. You won’t be able to avoid using solid construction here. If you come from Bavaria, you might want to check out the “Sonnenhäuser” in Friedberg. They used a lot of Lignotrend, but with architects involved. I would strongly recommend involving architects for multi-story residential construction anyway.

Sonnenblume341 schrieb:

It will be a multi-family house, with about 5-6 apartments/neighbors.

For a project like this, you should share more details here, so you can get all the advice you need. Are you the sole owner/developer? Will the other units be rented out or sold?

MayrCh schrieb:

A lot has been built with [...] before, but always with architects. Which I would strongly recommend anyway, especially for multi-family residential construction.

I agree, strongly so. Ideally with an architect who has experience and references in multi-family housing. But – ouch:

Sonnenblume341 schrieb:

A structural engineer from a construction company is drawing up our plans for free.

“A free service with no additional cost but also no real benefit” is a bad deal. You NEVER do that in multi-family housing construction!

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11ant schrieb:

die

I am building with my sister. We already own the plot of land. The apartments are intended for rental.

11ant schrieb:

macht

I will receive a written offer including all costs. However, I will not get the plans before signing the contract, so that I cannot take them to a competitor.